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[/] [test_project/] [trunk/] [linux_sd_driver/] [include/] [linux/] [thread_info.h] - Blame information for rev 62

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/* thread_info.h: common low-level thread information accessors
 *
 * Copyright (C) 2002  David Howells (dhowells@redhat.com)
 * - Incorporating suggestions made by Linus Torvalds
 */
 
#ifndef _LINUX_THREAD_INFO_H
#define _LINUX_THREAD_INFO_H
 
#include <linux/types.h>
 
/*
 * System call restart block.
 */
struct restart_block {
        long (*fn)(struct restart_block *);
        union {
                struct {
                        unsigned long arg0, arg1, arg2, arg3;
                };
                /* For futex_wait */
                struct {
                        u32 *uaddr;
                        u32 val;
                        u32 flags;
                        u64 time;
                } futex;
        };
};
 
extern long do_no_restart_syscall(struct restart_block *parm);
 
#include <linux/bitops.h>
#include <asm/thread_info.h>
 
#ifdef __KERNEL__
 
/*
 * flag set/clear/test wrappers
 * - pass TIF_xxxx constants to these functions
 */
 
static inline void set_ti_thread_flag(struct thread_info *ti, int flag)
{
        set_bit(flag,&ti->flags);
}
 
static inline void clear_ti_thread_flag(struct thread_info *ti, int flag)
{
        clear_bit(flag,&ti->flags);
}
 
static inline int test_and_set_ti_thread_flag(struct thread_info *ti, int flag)
{
        return test_and_set_bit(flag,&ti->flags);
}
 
static inline int test_and_clear_ti_thread_flag(struct thread_info *ti, int flag)
{
        return test_and_clear_bit(flag,&ti->flags);
}
 
static inline int test_ti_thread_flag(struct thread_info *ti, int flag)
{
        return test_bit(flag,&ti->flags);
}
 
#define set_thread_flag(flag) \
        set_ti_thread_flag(current_thread_info(), flag)
#define clear_thread_flag(flag) \
        clear_ti_thread_flag(current_thread_info(), flag)
#define test_and_set_thread_flag(flag) \
        test_and_set_ti_thread_flag(current_thread_info(), flag)
#define test_and_clear_thread_flag(flag) \
        test_and_clear_ti_thread_flag(current_thread_info(), flag)
#define test_thread_flag(flag) \
        test_ti_thread_flag(current_thread_info(), flag)
 
#define set_need_resched()      set_thread_flag(TIF_NEED_RESCHED)
#define clear_need_resched()    clear_thread_flag(TIF_NEED_RESCHED)
 
#endif
 
#endif /* _LINUX_THREAD_INFO_H */

Line No.	Rev	Author	Line
1	62	marcus.erl	`/* thread_info.h: common low-level thread information accessors`
2			`*`
3			`* Copyright (C) 2002 David Howells (dhowells@redhat.com)`
4			`* - Incorporating suggestions made by Linus Torvalds`
5			`*/`
6
7			`#ifndef _LINUX_THREAD_INFO_H`
8			`#define _LINUX_THREAD_INFO_H`
9
10			`#include <linux/types.h>`
11
12			`/*`
13			`* System call restart block.`
14			`*/`
15			`struct restart_block {`
16			`long (fn)(struct restart_block );`
17			`union {`
18			`struct {`
19			`unsigned long arg0, arg1, arg2, arg3;`
20			`};`
21			`/* For futex_wait */`
22			`struct {`
23			`u32 *uaddr;`
24			`u32 val;`
25			`u32 flags;`
26			`u64 time;`
27			`} futex;`
28			`};`
29			`};`
30
31			`extern long do_no_restart_syscall(struct restart_block *parm);`
32
33			`#include <linux/bitops.h>`
34			`#include <asm/thread_info.h>`
35
36			`#ifdef __KERNEL__`
37
38			`/*`
39			`* flag set/clear/test wrappers`
40			`* - pass TIF_xxxx constants to these functions`
41			`*/`
42
43			`static inline void set_ti_thread_flag(struct thread_info *ti, int flag)`
44			`{`
45			`set_bit(flag,&ti->flags);`
46			`}`
47
48			`static inline void clear_ti_thread_flag(struct thread_info *ti, int flag)`
49			`{`
50			`clear_bit(flag,&ti->flags);`
51			`}`
52
53			`static inline int test_and_set_ti_thread_flag(struct thread_info *ti, int flag)`
54			`{`
55			`return test_and_set_bit(flag,&ti->flags);`
56			`}`
57
58			`static inline int test_and_clear_ti_thread_flag(struct thread_info *ti, int flag)`
59			`{`
60			`return test_and_clear_bit(flag,&ti->flags);`
61			`}`
62
63			`static inline int test_ti_thread_flag(struct thread_info *ti, int flag)`
64			`{`
65			`return test_bit(flag,&ti->flags);`
66			`}`
67
68			`#define set_thread_flag(flag) \`
69			`set_ti_thread_flag(current_thread_info(), flag)`
70			`#define clear_thread_flag(flag) \`
71			`clear_ti_thread_flag(current_thread_info(), flag)`
72			`#define test_and_set_thread_flag(flag) \`
73			`test_and_set_ti_thread_flag(current_thread_info(), flag)`
74			`#define test_and_clear_thread_flag(flag) \`
75			`test_and_clear_ti_thread_flag(current_thread_info(), flag)`
76			`#define test_thread_flag(flag) \`
77			`test_ti_thread_flag(current_thread_info(), flag)`
78
79			`#define set_need_resched() set_thread_flag(TIF_NEED_RESCHED)`
80			`#define clear_need_resched() clear_thread_flag(TIF_NEED_RESCHED)`
81
82			`#endif`
83
84			`#endif /* _LINUX_THREAD_INFO_H */`

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[/] [test_project/] [trunk/] [linux_sd_driver/] [include/] [linux/] [thread_info.h] - Blame information for rev 62